1201251752 has 8 divisors (see below), whose sum is σ = 2252347050. Its totient is φ = 600625872.

The previous prime is 1201251749. The next prime is 1201251781. The reversal of 1201251752 is 2571521021.

It can be written as a sum of positive squares in only one way, i.e., 874148356 + 327103396 = 29566^2 + 18086^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75078227 + ... + 75078242.

Almost surely, 2^1201251752 is an apocalyptic number.

It is an amenable number.

1201251752 is a deficient number, since it is larger than the sum of its proper divisors (1051095298).

1201251752 is a wasteful number, since it uses less digits than its factorization.

1201251752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150156475 (or 150156471 counting only the distinct ones).

The product of its (nonzero) digits is 1400, while the sum is 26.

The square root of 1201251752 is about 34659.0789260188. The cubic root of 1201251752 is about 1063.0279366104.

Adding to 1201251752 its reverse (2571521021), we get a palindrome (3772772773).

The spelling of 1201251752 in words is "one billion, two hundred one million, two hundred fifty-one thousand, seven hundred fifty-two".